Detecting and handling input events at Android NDK

Input events are essential for user interaction in Android apps. This recipe discusses how to detect and handle input events in Android NDK.

Getting ready

We will further develop the example in last recipe. Please read the Managing native windows at Android NDK recipe before going through this one.

How to do it…

The following steps create a sample application, which detects and handles input events at the native code:

1. Create an Android application named NativeInputs. Set the package name as cookbook.chapter5.nativeinputs. Please refer to the Loading native libraries and registering native methods recipe of Chapter 2, Java Native Interface, if you want more detailed instructions.

2. Right-click on the NativeInputs project, select Android Tools | Add Native Support.

3. Update AndroidManifest.xml. Please refer to previous recipe or the downloaded code for details. Note that the metadata android.app.lib_name must have a value as NativeInputs.

4. Add two files...